It’s dangerous for you to go out for a walk in the forest________at night.

The old couple were both very ______ and felt the new-born baby was a gift from God.[ ]

The boss of the company is trying to create an easy atmosphere ______ his employees enjoy their work.

The news that No.1 Middle School of Qujing was again estimated (评估) the first of the first prize in 2008 _____.

Hurry up, you will get to school on time.